{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell type", "protein", "RNA", "DNA", "cell line"], "input": "No difference of VDR retention in pulse and pulse/chase-experiments was seen in PBL , where VDR halflife was approximately 30 min."}
{"cell type": ["PBL"], "protein": ["VDR"], "RNA": [], "DNA": [], "cell line": []}